REE (0x1)
[  220.928851][ T7862] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  220.985890][ T7862] BTRFS info (device loop2): scrub: started on devid 1
[  221.012233][ T7892] loop0: detected capacity change from 0 to 32768
[  221.030698][ T7862] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  221.121016][ T7892] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (7892)
executing program
executing program
[  221.249698][ T4878] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4878)
[  221.727424][ T7913] loop1: detected capacity change from 0 to 32768
[  221.806302][ T7916] loop3: detected capacity change from 0 to 32768
[  221.836977][ T7917] loop4: detected capacity change from 0 to 32768
[  221.850959][ T7913] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  221.891732][ T7916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (7916)
[  221.900572][ T7913] BTRFS info (device loop1): use no compression
[  221.920803][ T7913] BTRFS info (device loop1): turning on sync discard
[  221.939676][ T7913] BTRFS info (device loop1): force clearing of disk cache
[  221.960790][ T7922] loop0: detected capacity change from 0 to 32768
[  221.964594][ T7913] BTRFS info (device loop1): enabling auto defrag
[  221.976911][ T7917] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (7917)
[  222.005429][ T7913] BTRFS info (device loop1): turning off discard
[  222.027118][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  222.038235][ T7923] loop2: detected capacity change from 0 to 32768
[  222.044823][ T7913] BTRFS info (device loop1): using free space tree
executing program
[  222.056280][ T7913] BTRFS info (device loop1): has skinny extents
[  222.132155][ T7922] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (7922)
executing program
executing program
[  222.222727][ T7923] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (7923)
executing program
[  222.308056][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
[  222.359561][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
[  222.384674][ T7913] BTRFS info (device loop1): enabling ssd optimizations
[  222.403213][ T7913] BTRFS info (device loop1): clearing free space tree
[  222.432779][ T7913] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  222.454695][ T7913] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  222.525875][ T7913] BTRFS info (device loop1): creating free space tree
[  222.554055][ T7913] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  222.594823][ T7913] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  222.676982][ T7913] BTRFS info (device loop1): scrub: started on devid 1
[  222.717295][ T7913] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  222.800899][ T7927] loop4: detected capacity change from 0 to 32768
executing program
[  223.005995][ T7927] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (7927)
[  223.036438][ T7940] loop0: detected capacity change from 0 to 32768
[  223.043202][ T7949] loop2: detected capacity change from 0 to 32768
[  223.071973][ T7927] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  223.084745][ T7927] BTRFS info (device loop4): use no compression
[  223.104691][ T7927] BTRFS info (device loop4): turning on sync discard
[  223.127746][ T7949] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (7949)
[  223.131997][ T7927] BTRFS info (device loop4): force clearing of disk cache
[  223.162631][ T7947] loop3: detected capacity change from 0 to 32768
executing program
[  223.174584][ T7927] BTRFS info (device loop4): enabling auto defrag
[  223.182571][ T7940] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (7940)
[  223.203104][ T7927] BTRFS info (device loop4): turning off discard
[  223.211393][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
executing program
[  223.223989][ T7927] BTRFS info (device loop4): using free space tree
[  223.237887][ T4878] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4878)
[  223.260817][ T7927] BTRFS info (device loop4): has skinny extents
[  223.308463][ T7947] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (7947)
executing program
[  223.367906][ T4202] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4202)
[  223.570707][ T7927] BTRFS info (device loop4): enabling ssd optimizations
[  223.608453][ T7927] BTRFS info (device loop4): clearing free space tree
[  223.665076][ T7927] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  223.719592][ T7955] loop1: detected capacity change from 0 to 32768
[  223.724573][ T7927] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  223.789262][ T7927] BTRFS info (device loop4): creating free space tree
[  223.799809][ T7927] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  223.815652][ T7955] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (7955)
executing program
[  223.830131][ T7927] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  223.879713][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  223.886132][ T7927] BTRFS info (device loop4): scrub: started on devid 1
[  223.938284][ T7927] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
executing program
[  224.151091][ T7960] loop0: detected capacity change from 0 to 32768
[  224.269860][ T7960] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (7960)
[  224.332282][ T7958] loop2: detected capacity change from 0 to 32768
[  224.339044][ T7960] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  224.351971][ T7966] loop3: detected capacity change from 0 to 32768
[  224.365016][ T7960] BTRFS info (device loop0): use no compression
[  224.382771][ T7960] BTRFS info (device loop0): turning on sync discard
[  224.390074][ T7960] BTRFS info (device loop0): force clearing of disk cache
[  224.401027][ T7960] BTRFS info (device loop0): enabling auto defrag
[  224.407575][ T7958] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (7958)
[  224.419107][ T7960] BTRFS info (device loop0): turning off discard
[  224.427128][ T7960] BTRFS info (device loop0): using free space tree
[  224.433839][ T7960] BTRFS info (device loop0): has skinny extents
[  224.466178][ T7966] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (7966)
[  224.573788][ T7982] loop1: detected capacity change from 0 to 32768
[  224.662646][ T7982] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (7982)
executing program
executing program
[  224.795170][ T7960] BTRFS info (device loop0): enabling ssd optimizations
[  224.805234][ T7960] BTRFS info (device loop0): clearing free space tree
[  224.812093][ T7960] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  224.871743][ T7960] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  224.898618][ T7960] BTRFS info (device loop0): creating free space tree
executing program
[  224.915414][ T7960] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  224.934676][ T7960] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  224.978226][ T7960] BTRFS info (device loop0): scrub: started on devid 1
[  224.993211][ T7986] loop4: detected capacity change from 0 to 32768
[  225.012426][ T7960] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  225.098353][ T7986] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (7986)
executing program
executing program
[  225.203993][ T4182] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4182)
[  225.609013][ T8005] loop3: detected capacity change from 0 to 32768
[  225.632352][ T8009] loop2: detected capacity change from 0 to 32768
[  225.686968][ T8005] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  225.744565][ T8005] BTRFS info (device loop3): use no compression
[  225.759031][ T8011] loop1: detected capacity change from 0 to 32768
[  225.778208][ T8005] BTRFS info (device loop3): turning on sync discard
[  225.781567][ T8009] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8009)
[  225.796454][ T8005] BTRFS info (device loop3): force clearing of disk cache
[  225.803605][ T8005] BTRFS info (device loop3): enabling auto defrag
[  225.844812][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
[  225.851543][ T8005] BTRFS info (device loop3): turning off discard
[  225.863936][ T8005] BTRFS info (device loop3): using free space tree
executing program
[  225.900750][ T8011] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8011)
[  225.912095][ T8005] BTRFS info (device loop3): has skinny extents
[  225.930540][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
executing program
[  225.957934][ T8017] loop0: detected capacity change from 0 to 32768
executing program
[  226.081686][ T8017] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8017)
[  226.120184][ T4177] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4177)
[  226.146136][ T8015] loop4: detected capacity change from 0 to 32768
[  226.252350][ T8015] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8015)
executing program
[  226.368640][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  226.413506][ T8005] BTRFS info (device loop3): enabling ssd optimizations
[  226.442843][ T8005] BTRFS info (device loop3): clearing free space tree
[  226.501021][ T8005] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  226.552368][ T8005] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  226.596621][ T8005] BTRFS info (device loop3): creating free space tree
[  226.610883][ T8027] loop1: detected capacity change from 0 to 32768
[  226.629807][ T8005] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  226.641151][ T8027] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8027)
executing program
[  226.681300][ T8005] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  226.683487][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  226.738346][ T8005] BTRFS info (device loop3): scrub: started on devid 1
[  226.790186][ T8005] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
executing program
[  226.990745][ T8038] loop0: detected capacity change from 0 to 32768
[  227.083217][ T8021] loop2: detected capacity change from 0 to 32768
[  227.142109][ T8038] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8038)
[  227.205457][ T8038] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  227.230567][ T8021] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8021)
[  227.234594][ T8038] BTRFS info (device loop0): use no compression
executing program
[  227.278896][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
[  227.301399][ T8038] BTRFS info (device loop0): turning on sync discard
[  227.331844][ T8038] BTRFS info (device loop0): force clearing of disk cache
[  227.337951][ T8046] loop4: detected capacity change from 0 to 32768
[  227.368213][ T8038] BTRFS info (device loop0): enabling auto defrag
[  227.404688][ T8038] BTRFS info (device loop0): turning off discard
[  227.411171][ T8046] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8046)
[  227.424913][ T8038] BTRFS info (device loop0): using free space tree
executing program
[  227.463867][ T4878] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4878)
[  227.479040][ T8038] BTRFS info (device loop0): has skinny extents
[  227.676122][ T8049] loop1: detected capacity change from 0 to 32768
[  227.698106][ T8038] BTRFS info (device loop0): enabling ssd optimizations
[  227.706249][ T8038] BTRFS info (device loop0): clearing free space tree
[  227.723336][ T8038] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  227.743382][ T8038] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  227.776560][ T8056] loop2: detected capacity change from 0 to 32768
[  227.793974][ T8038] BTRFS info (device loop0): creating free space tree
[  227.820481][ T8049] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8049)
[  227.837575][ T8038] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  227.868064][ T8053] loop3: detected capacity change from 0 to 32768
[  227.871602][ T8038] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  227.901283][ T8056] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8056)
[  227.921833][ T8038] BTRFS info (device loop0): scrub: started on devid 1
[  227.962405][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
executing program
[  228.003397][ T8038] BTRFS info (device loop0): scrub: not finished on devid 1 with status: -125
[  228.014363][ T8053] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8053)
executing program
[  228.047667][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  228.080346][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
executing program
[  228.657555][ T8078] loop1: detected capacity change from 0 to 32768
[  228.694367][ T8059] loop4: detected capacity change from 0 to 32768
[  228.698144][ T8078] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8078)
[  228.755005][ T8078] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  228.763761][ T8078] BTRFS info (device loop1): use no compression
[  228.790088][ T8059] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8059)
[  228.832592][ T8078] BTRFS info (device loop1): turning on sync discard
[  228.845682][ T4205] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4205)
executing program
[  228.876587][ T8078] BTRFS info (device loop1): force clearing of disk cache
[  228.914326][ T8078] BTRFS info (device loop1): enabling auto defrag
[  228.944820][ T8078] BTRFS info (device loop1): turning off discard
[  228.951201][ T8078] BTRFS info (device loop1): using free space tree
[  228.994652][ T8078] BTRFS info (device loop1): has skinny extents
[  229.021546][ T8085] loop3: detected capacity change from 0 to 32768
[  229.051021][ T8082] loop2: detected capacity change from 0 to 32768
[  229.139255][ T8088] loop0: detected capacity change from 0 to 32768
[  229.156300][ T8085] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8085)
[  229.231289][ T8082] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8082)
[  229.245848][ T8088] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8088)
executing program
executing program
[  229.284455][ T4177] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4177)
[  229.301454][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  229.320908][ T8078] BTRFS info (device loop1): enabling ssd optimizations
[  229.329167][ T8078] BTRFS info (device loop1): clearing free space tree
[  229.344609][ T8078] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  229.374685][ T8078] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  229.445668][ T8078] BTRFS info (device loop1): creating free space tree
[  229.483785][ T8078] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  229.523383][ T8078] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  229.573890][ T8092] loop4: detected capacity change from 0 to 32768
[  229.618150][ T8078] BTRFS info (device loop1): scrub: started on devid 1
[  229.669768][ T8078] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  229.706425][ T8092] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8092)
executing program
[  229.992564][ T8111] loop2: detected capacity change from 0 to 32768
[  230.080865][ T8111] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz-executor245 (8111)
executing program
[  230.145829][ T8114] loop0: detected capacity change from 0 to 32768
[  230.155195][ T8111] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  230.184427][ T8111] BTRFS info (device loop2): use no compression
[  230.192688][ T8111] BTRFS info (device loop2): turning on sync discard
[  230.197575][ T8114] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8114)
executing program
[  230.237125][ T8111] BTRFS info (device loop2): force clearing of disk cache
[  230.248420][ T8111] BTRFS info (device loop2): enabling auto defrag
[  230.259388][ T8111] BTRFS info (device loop2): turning off discard
[  230.273668][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
[  230.287094][ T8111] BTRFS info (device loop2): using free space tree
[  230.293740][ T8111] BTRFS info (device loop2): has skinny extents
[  230.484683][ T8111] BTRFS info (device loop2): enabling ssd optimizations
[  230.502592][ T8111] BTRFS info (device loop2): clearing free space tree
[  230.512153][ T8111] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  230.522401][ T8111] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  230.537176][ T8111] BTRFS info (device loop2): creating free space tree
[  230.555612][ T8111] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  230.570423][ T8111] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  230.598601][ T8111] BTRFS info (device loop2): scrub: started on devid 1
[  230.629086][ T8111] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  230.670535][ T8116] loop3: detected capacity change from 0 to 32768
[  230.712740][ T8120] loop1: detected capacity change from 0 to 32768
executing program
[  230.768451][ T8120] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8120)
executing program
[  230.845866][ T4182] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4182)
[  230.894041][ T8116] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  230.923928][ T8116] BTRFS info (device loop3): use no compression
[  230.945010][ T8126] loop0: detected capacity change from 0 to 32768
[  230.953817][ T8116] BTRFS info (device loop3): turning on sync discard
[  230.980323][ T8126] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8126)
[  230.994694][ T8116] BTRFS info (device loop3): force clearing of disk cache
[  231.001865][ T8116] BTRFS info (device loop3): enabling auto defrag
[  231.038945][ T8116] BTRFS info (device loop3): turning off discard
[  231.059208][ T8116] BTRFS info (device loop3): using free space tree
[  231.079474][ T8116] BTRFS info (device loop3): has skinny extents
[  231.209276][ T8124] loop4: detected capacity change from 0 to 32768
[  231.315226][ T8116] BTRFS info (device loop3): enabling ssd optimizations
[  231.330366][ T8124] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8124)
[  231.362672][ T8116] BTRFS info (device loop3): clearing free space tree
[  231.384624][ T8116] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  231.404904][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
executing program
[  231.442576][ T8116] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  231.501405][ T8147] loop1: detected capacity change from 0 to 32768
[  231.519042][ T8116] BTRFS info (device loop3): creating free space tree
[  231.539310][ T8116] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  231.564601][ T8116] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  231.594868][ T8147] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8147)
[  231.629269][ T8116] BTRFS info (device loop3): scrub: started on devid 1
executing program
[  231.669767][ T8116] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  231.703928][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  231.806569][ T8149] loop2: detected capacity change from 0 to 32768
executing program
[  231.901724][ T8149] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz-executor245 (8149)
[  231.980817][ T8149] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  232.014613][ T8149] BTRFS info (device loop2): use no compression
[  232.024948][ T8149] BTRFS info (device loop2): turning on sync discard
[  232.052224][ T8149] BTRFS info (device loop2): force clearing of disk cache
[  232.084681][ T8149] BTRFS info (device loop2): enabling auto defrag
[  232.091206][ T8149] BTRFS info (device loop2): turning off discard
[  232.134619][ T8149] BTRFS info (device loop2): using free space tree
[  232.164790][ T8149] BTRFS info (device loop2): has skinny extents
[  232.345760][ T8171] loop4: detected capacity change from 0 to 32768
[  232.409514][ T8149] BTRFS info (device loop2): enabling ssd optimizations
[  232.435732][ T8149] BTRFS info (device loop2): clearing free space tree
[  232.470477][ T8176] loop1: detected capacity change from 0 to 32768
[  232.473414][ T8149] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  232.499129][ T8171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8171)
executing program
[  232.527787][ T8179] loop3: detected capacity change from 0 to 32768
[  232.534900][ T8149] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  232.555347][ T8149] BTRFS info (device loop2): creating free space tree
[  232.576071][ T8149] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  232.595997][ T8176] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8176)
executing program
[  232.619989][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  232.647291][ T8173] loop0: detected capacity change from 0 to 32768
[  232.653861][ T8149] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  232.662199][ T8179] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8179)
executing program
[  232.694793][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  232.705994][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  232.706415][ T8149] BTRFS info (device loop2): scrub: started on devid 1
[  232.727888][ T8173] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8173)
[  232.765838][ T8149] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
executing program
executing program
[  233.391940][ T8200] loop4: detected capacity change from 0 to 32768
[  233.519242][ T8200] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (8200)
[  233.558794][ T8200] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  233.594613][ T8200] BTRFS info (device loop4): use no compression
[  233.600946][ T8200] BTRFS info (device loop4): turning on sync discard
[  233.611872][ T8202] loop1: detected capacity change from 0 to 32768
[  233.620902][ T8204] loop3: detected capacity change from 0 to 32768
[  233.644651][ T8200] BTRFS info (device loop4): force clearing of disk cache
[  233.651808][ T8200] BTRFS info (device loop4): enabling auto defrag
[  233.687418][ T8200] BTRFS info (device loop4): turning off discard
[  233.689787][ T8202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8202)
[  233.694798][ T8200] BTRFS info (device loop4): using free space tree
executing program
[  233.764572][ T8200] BTRFS info (device loop4): has skinny extents
[  233.782119][ T8204] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8204)
executing program
[  233.824984][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  233.855305][ T4205] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4205)
[  234.024633][ T8200] BTRFS info (device loop4): enabling ssd optimizations
[  234.034754][ T8208] loop2: detected capacity change from 0 to 32768
[  234.065213][ T8200] BTRFS info (device loop4): clearing free space tree
[  234.072196][ T8200] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  234.087606][ T8210] loop0: detected capacity change from 0 to 32768
[  234.114670][ T8200] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  234.174548][ T8208] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8208)
[  234.193531][ T8200] BTRFS info (device loop4): creating free space tree
[  234.204142][ T8210] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8210)
[  234.245628][ T8200] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  234.295825][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
[  234.305981][ T8200] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  234.325286][ T8213] loop1: detected capacity change from 0 to 32768
[  234.353938][ T8200] BTRFS info (device loop4): scrub: started on devid 1
[  234.398261][ T8200] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  234.410676][ T8213] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8213)
executing program
[  234.643030][ T8221] loop3: detected capacity change from 0 to 32768
executing program
[  234.821070][ T8221] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (8221)
executing program
[  234.883184][ T8221] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  234.923695][ T8221] BTRFS info (device loop3): use no compression
[  234.932054][ T8235] loop2: detected capacity change from 0 to 32768
[  234.950815][ T8221] BTRFS info (device loop3): turning on sync discard
[  234.971070][ T8221] BTRFS info (device loop3): force clearing of disk cache
[  235.000305][ T8221] BTRFS info (device loop3): enabling auto defrag
[  235.017146][ T8221] BTRFS info (device loop3): turning off discard
[  235.037395][ T8221] BTRFS info (device loop3): using free space tree
[  235.044442][ T8235] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8235)
executing program
[  235.078159][ T8221] BTRFS info (device loop3): has skinny extents
[  235.082030][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
[  235.239706][ T8221] BTRFS info (device loop3): enabling ssd optimizations
[  235.247981][ T8221] BTRFS info (device loop3): clearing free space tree
[  235.273599][ T8221] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  235.279946][ T8239] loop4: detected capacity change from 0 to 32768
[  235.335160][ T8221] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  235.393375][ T8221] BTRFS info (device loop3): creating free space tree
[  235.403684][ T8221] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  235.415074][ T8239] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8239)
executing program
[  235.459062][ T8221] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  235.493115][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  235.531896][ T8221] BTRFS info (device loop3): scrub: started on devid 1
[  235.567889][ T8221] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  235.634610][ T8241] loop0: detected capacity change from 0 to 32768
[  235.729195][ T8241] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8241)
executing program
[  235.820654][ T8241] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  235.854643][ T8241] BTRFS info (device loop0): use no compression
[  235.882192][ T8241] BTRFS info (device loop0): turning on sync discard
[  235.922727][ T8241] BTRFS info (device loop0): force clearing of disk cache
[  235.944971][ T8241] BTRFS info (device loop0): enabling auto defrag
[  235.951478][ T8241] BTRFS info (device loop0): turning off discard
[  235.978003][ T8244] loop1: detected capacity change from 0 to 32768
[  235.994550][ T8241] BTRFS info (device loop0): using free space tree
[  236.029255][ T8241] BTRFS info (device loop0): has skinny extents
[  236.090628][ T8244] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8244)
[  236.150953][ T8246] loop2: detected capacity change from 0 to 32768
[  236.157878][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
executing program
[  236.240102][ T8246] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8246)
[  236.280661][ T8266] loop4: detected capacity change from 0 to 32768
[  236.367507][ T8241] BTRFS info (device loop0): enabling ssd optimizations
[  236.378832][ T8266] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8266)
[  236.432004][ T8241] BTRFS info (device loop0): clearing free space tree
[  236.465307][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
executing program
[  236.494044][ T8283] loop1: detected capacity change from 0 to 32768
[  236.500874][ T8241] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  236.511097][ T8241] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  236.533899][ T8241] BTRFS info (device loop0): creating free space tree
[  236.555080][ T8241] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  236.572459][ T8241] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  236.583341][ T8283] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8283)
executing program
[  236.604855][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
[  236.638187][ T8241] BTRFS info (device loop0): scrub: started on devid 1
[  236.671743][ T8241] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
executing program
executing program
[  236.951570][ T8270] loop3: detected capacity change from 0 to 32768
[  237.052796][ T8270] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (8270)
[  237.148005][ T8270] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  237.187425][ T8270] BTRFS info (device loop3): use no compression
[  237.193726][ T8270] BTRFS info (device loop3): turning on sync discard
[  237.244590][ T8270] BTRFS info (device loop3): force clearing of disk cache
[  237.282242][ T8270] BTRFS info (device loop3): enabling auto defrag
[  237.322830][ T8270] BTRFS info (device loop3): turning off discard
[  237.329698][ T8270] BTRFS info (device loop3): using free space tree
[  237.356680][ T8270] BTRFS info (device loop3): has skinny extents
[  237.512724][ T8295] loop1: detected capacity change from 0 to 32768
[  237.574721][ T8270] BTRFS info (device loop3): enabling ssd optimizations
[  237.595372][ T8299] loop2: detected capacity change from 0 to 32768
[  237.609920][ T8295] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8295)
[  237.628160][ T8270] BTRFS info (device loop3): clearing free space tree
[  237.635508][ T8270] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  237.636227][ T8293] loop4: detected capacity change from 0 to 32768
[  237.646317][ T8270] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  237.670849][ T8270] BTRFS info (device loop3): creating free space tree
executing program
[  237.683349][ T8270] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  237.706931][ T8299] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8299)
[  237.723900][ T8270] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  237.756010][ T8270] BTRFS info (device loop3): scrub: started on devid 1
[  237.774174][ T4177] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4177)
[  237.780929][ T8301] loop0: detected capacity change from 0 to 32768
[  237.808366][ T8270] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  237.817042][ T8293] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8293)
executing program
[  237.881482][ T8301] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8301)
[  237.988272][ T4878] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4878)
executing program
executing program
[  238.339515][ T8322] loop1: detected capacity change from 0 to 32768
[  238.382466][ T8322] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8322)
[  238.426159][ T8322] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  238.464672][ T8322] BTRFS info (device loop1): use no compression
executing program
[  238.496142][ T8322] BTRFS info (device loop1): turning on sync discard
[  238.502877][ T8322] BTRFS info (device loop1): force clearing of disk cache
[  238.566381][ T8322] BTRFS info (device loop1): enabling auto defrag
[  238.604712][ T8322] BTRFS info (device loop1): turning off discard
[  238.611106][ T8322] BTRFS info (device loop1): using free space tree
[  238.658334][ T8322] BTRFS info (device loop1): has skinny extents
[  238.750138][ T8325] loop4: detected capacity change from 0 to 32768
[  238.838577][ T8322] BTRFS info (device loop1): enabling ssd optimizations
[  238.848022][ T8322] BTRFS info (device loop1): clearing free space tree
[  238.850577][ T8325] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8325)
[  238.855553][ T8322] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  238.876288][ T8322] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  238.898716][ T8322] BTRFS info (device loop1): creating free space tree
[  238.915423][ T8322] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  238.917386][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  238.934595][ T8322] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  238.983681][ T8322] BTRFS info (device loop1): scrub: started on devid 1
[  239.006941][ T8322] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  239.052291][ T8330] loop2: detected capacity change from 0 to 32768
[  239.099671][ T8330] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8330)
[  239.106235][ T8328] loop3: detected capacity change from 0 to 32768
executing program
[  239.203571][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
executing program
[  239.268630][ T8328] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (8328)
[  239.379734][ T8328] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  239.430412][ T8328] BTRFS info (device loop3): use no compression
[  239.460834][ T8328] BTRFS info (device loop3): turning on sync discard
[  239.501471][ T8328] BTRFS info (device loop3): force clearing of disk cache
[  239.531944][ T8328] BTRFS info (device loop3): enabling auto defrag
[  239.564622][ T8328] BTRFS info (device loop3): turning off discard
[  239.571028][ T8328] BTRFS info (device loop3): using free space tree
[  239.606620][ T8333] loop0: detected capacity change from 0 to 32768
[  239.613291][ T8328] BTRFS info (device loop3): has skinny extents
[  239.688303][ T8333] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8333)
[  239.741249][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
executing program
[  239.899587][ T8354] loop4: detected capacity change from 0 to 32768
[  239.914640][ T8328] BTRFS info (device loop3): enabling ssd optimizations
[  239.933578][ T8328] BTRFS info (device loop3): clearing free space tree
[  239.942781][ T8328] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  239.971656][ T8354] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8354)
[  240.003796][ T8328] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  240.007628][ T8356] loop2: detected capacity change from 0 to 32768
executing program
[  240.019354][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  240.052550][ T8328] BTRFS info (device loop3): creating free space tree
[  240.072014][ T8356] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8356)
[  240.073836][ T8328] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  240.121028][ T8358] loop1: detected capacity change from 0 to 32768
[  240.139498][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
[  240.170450][ T8328] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  240.209737][ T8358] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8358)
[  240.252281][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  240.254849][ T8328] BTRFS info (device loop3): scrub: started on devid 1
executing program
[  240.324011][ T8328] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
executing program
[  240.777750][ T8376] loop0: detected capacity change from 0 to 32768
[  240.849589][ T8376] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8376)
[  240.881330][ T8376] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  240.911168][ T8376] BTRFS info (device loop0): use no compression
[  240.951834][ T8376] BTRFS info (device loop0): turning on sync discard
[  240.979853][ T8376] BTRFS info (device loop0): force clearing of disk cache
[  240.997836][ T8376] BTRFS info (device loop0): enabling auto defrag
[  241.016729][ T8381] loop4: detected capacity change from 0 to 32768
[  241.024931][ T8376] BTRFS info (device loop0): turning off discard
[  241.052361][ T8376] BTRFS info (device loop0): using free space tree
[  241.063002][ T8376] BTRFS info (device loop0): has skinny extents
[  241.074669][ T8381] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8381)
executing program
[  241.110478][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  241.117640][ T8383] loop2: detected capacity change from 0 to 32768
[  241.177264][ T8383] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8383)
executing program
[  241.249237][ T8389] loop3: detected capacity change from 0 to 32768
[  241.249654][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  241.321894][ T8386] loop1: detected capacity change from 0 to 32768
[  241.352428][ T8376] BTRFS info (device loop0): enabling ssd optimizations
[  241.360853][ T8376] BTRFS info (device loop0): clearing free space tree
[  241.361477][ T8389] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8389)
[  241.378626][ T8376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  241.388871][ T8376] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  241.408286][ T8376] BTRFS info (device loop0): creating free space tree
[  241.425470][ T8376] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  241.435723][ T8376] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  241.472888][ T8386] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8386)
[  241.495420][ T8376] BTRFS info (device loop0): scrub: started on devid 1
executing program
[  241.521082][ T8376] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  241.589859][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
executing program
executing program
[  242.111685][ T8395] loop4: detected capacity change from 0 to 32768
[  242.156088][ T8395] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (8395)
[  242.177860][ T8410] loop2: detected capacity change from 0 to 32768
[  242.201860][ T8395] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  242.221318][ T8395] BTRFS info (device loop4): use no compression
[  242.231425][ T8395] BTRFS info (device loop4): turning on sync discard
[  242.251169][ T8410] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8410)
[  242.266834][ T8395] BTRFS info (device loop4): force clearing of disk cache
[  242.288148][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
executing program
[  242.301722][ T8395] BTRFS info (device loop4): enabling auto defrag
[  242.319169][ T8395] BTRFS info (device loop4): turning off discard
[  242.341390][ T8395] BTRFS info (device loop4): using free space tree
[  242.364884][ T8395] BTRFS info (device loop4): has skinny extents
[  242.381938][ T8415] loop1: detected capacity change from 0 to 32768
[  242.460347][ T8415] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8415)
executing program
[  242.503642][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  242.624667][ T8395] BTRFS info (device loop4): enabling ssd optimizations
[  242.632845][ T8395] BTRFS info (device loop4): clearing free space tree
[  242.654652][ T8395] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  242.659590][ T8417] loop3: detected capacity change from 0 to 32768
[  242.684548][ T8395] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  242.725722][ T8395] BTRFS info (device loop4): creating free space tree
[  242.733565][ T8395] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  242.783800][ T8395] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  242.800706][ T8417] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8417)
executing program
[  242.834162][ T8395] BTRFS info (device loop4): scrub: started on devid 1
[  242.846281][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  242.867888][ T8395] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  242.917838][ T8419] loop0: detected capacity change from 0 to 32768
[  243.040991][ T8422] loop2: detected capacity change from 0 to 32768
executing program
[  243.117561][ T8419] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8419)
[  243.162666][ T8419] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  243.173683][ T8422] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8422)
executing program
[  243.209718][ T8419] BTRFS info (device loop0): use no compression
[  243.232650][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  243.263454][ T8419] BTRFS info (device loop0): turning on sync discard
[  243.291118][ T8419] BTRFS info (device loop0): force clearing of disk cache
[  243.311348][ T8419] BTRFS info (device loop0): enabling auto defrag
[  243.339877][ T8419] BTRFS info (device loop0): turning off discard
[  243.356568][ T8419] BTRFS info (device loop0): using free space tree
[  243.383872][ T8435] loop1: detected capacity change from 0 to 32768
[  243.398167][ T8419] BTRFS info (device loop0): has skinny extents
executing program
[  243.516088][ T8435] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8435)
[  243.555391][ T4177] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4177)
[  243.626473][ T8419] BTRFS info (device loop0): enabling ssd optimizations
[  243.635712][ T8419] BTRFS info (device loop0): clearing free space tree
[  243.685178][ T8448] loop4: detected capacity change from 0 to 32768
[  243.693030][ T8419] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  243.751475][ T8448] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8448)
[  243.764562][ T8419] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  243.845685][ T8419] BTRFS info (device loop0): creating free space tree
[  243.863711][ T8419] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  243.914095][ T8419] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  243.984607][ T8419] BTRFS info (device loop0): scrub: started on devid 1
[  244.007930][ T8445] loop3: detected capacity change from 0 to 32768
[  244.009700][ T8451] loop2: detected capacity change from 0 to 32768
[  244.032358][ T8419] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
executing program
[  244.127444][ T8445] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8445)
executing program
[  244.264872][ T8451] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8451)
[  244.296680][ T4182] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4182)
executing program
executing program
[  244.447333][ T8468] loop1: detected capacity change from 0 to 32768
[  244.573151][ T8468] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  244.597698][ T8468] BTRFS info (device loop1): use no compression
[  244.644552][ T8468] BTRFS info (device loop1): turning on sync discard
[  244.651393][ T8468] BTRFS info (device loop1): force clearing of disk cache
[  244.691921][ T8468] BTRFS info (device loop1): enabling auto defrag
[  244.742630][ T8468] BTRFS info (device loop1): turning off discard
[  244.762910][ T8468] BTRFS info (device loop1): using free space tree
[  244.798818][ T8468] BTRFS info (device loop1): has skinny extents
[  245.014642][ T8468] BTRFS info (device loop1): enabling ssd optimizations
[  245.024100][ T8482] loop2: detected capacity change from 0 to 32768
[  245.063020][ T8468] BTRFS info (device loop1): clearing free space tree
[  245.073506][ T8482] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8482)
[  245.103427][ T8468] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  245.154613][ T8468] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  245.189642][ T8475] loop3: detected capacity change from 0 to 32768
[  245.210478][ T8481] loop0: detected capacity change from 0 to 32768
[  245.215838][ T8468] BTRFS info (device loop1): creating free space tree
[  245.231061][ T8475] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8475)
executing program
[  245.253241][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  245.268407][ T8468] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  245.290548][ T8477] loop4: detected capacity change from 0 to 32768
[  245.294199][ T8468] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  245.316233][ T8481] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8481)
executing program
[  245.362664][ T8468] BTRFS info (device loop1): scrub: started on devid 1
[  245.389267][ T8468] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  245.413979][ T8477] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8477)
executing program
executing program
[  245.884062][ T8504] loop3: detected capacity change from 0 to 32768
executing program
[  245.957464][ T8504] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (8504)
[  246.013487][ T8504] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  246.043295][ T8504] BTRFS info (device loop3): use no compression
[  246.063659][ T8504] BTRFS info (device loop3): turning on sync discard
[  246.073845][ T8504] BTRFS info (device loop3): force clearing of disk cache
[  246.104352][ T8504] BTRFS info (device loop3): enabling auto defrag
[  246.124725][ T8504] BTRFS info (device loop3): turning off discard
[  246.131109][ T8504] BTRFS info (device loop3): using free space tree
[  246.158385][ T8504] BTRFS info (device loop3): has skinny extents
[  246.256104][ T8506] loop2: detected capacity change from 0 to 32768
[  246.263931][ T8509] loop0: detected capacity change from 0 to 32768
[  246.337606][ T8509] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8509)
[  246.368079][ T8504] BTRFS info (device loop3): enabling ssd optimizations
[  246.376455][ T8504] BTRFS info (device loop3): clearing free space tree
executing program
[  246.383532][ T8504] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  246.398422][ T8506] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8506)
[  246.417543][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
executing program
[  246.434643][ T8504] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  246.434936][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  246.495595][ T8504] BTRFS info (device loop3): creating free space tree
[  246.507137][ T8504] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  246.567121][ T8504] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  246.616264][ T8504] BTRFS info (device loop3): scrub: started on devid 1
[  246.676734][ T8504] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  246.698601][ T8511] loop4: detected capacity change from 0 to 32768
[  246.713442][ T8513] loop1: detected capacity change from 0 to 32768
[  246.890720][ T8511] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8511)
executing program
[  246.946190][ T8513] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8513)
executing program
executing program
[  247.011550][ T4878] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4878)
[  247.275110][ T8534] loop0: detected capacity change from 0 to 32768
[  247.277306][ T8536] loop2: detected capacity change from 0 to 32768
[  247.375692][ T8534] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8534)
[  247.387353][ T8536] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  247.407626][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
executing program
[  247.425207][ T8536] BTRFS info (device loop2): use no compression
[  247.462578][ T8536] BTRFS info (device loop2): turning on sync discard
[  247.503171][ T8536] BTRFS info (device loop2): force clearing of disk cache
[  247.554000][ T8536] BTRFS info (device loop2): enabling auto defrag
[  247.574308][ T8536] BTRFS info (device loop2): turning off discard
[  247.604627][ T8536] BTRFS info (device loop2): using free space tree
[  247.611391][ T8536] BTRFS info (device loop2): has skinny extents
[  247.807201][ T8544] loop3: detected capacity change from 0 to 32768
[  247.867635][ T8544] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8544)
executing program
[  247.914072][ T8540] loop4: detected capacity change from 0 to 32768
[  247.932660][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  247.988048][ T8543] loop1: detected capacity change from 0 to 32768
[  248.020990][ T8536] BTRFS info (device loop2): enabling ssd optimizations
[  248.053861][ T8536] BTRFS info (device loop2): clearing free space tree
[  248.063467][ T8536] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  248.074258][ T8536] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  248.090975][ T8536] BTRFS info (device loop2): creating free space tree
[  248.100558][ T8536] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  248.109458][ T8540] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8540)
[  248.110783][ T8536] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  248.175815][ T8536] BTRFS info (device loop2): scrub: started on devid 1
[  248.194090][ T8543] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8543)
[  248.215688][ T8536] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
executing program
[  248.239439][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  248.262503][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
[  248.303023][ T8548] loop0: detected capacity change from 0 to 32768
[  248.526013][ T8548] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8548)
[  248.620868][ T8548] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  248.664806][ T8548] BTRFS info (device loop0): use no compression
[  248.671203][ T8548] BTRFS info (device loop0): turning on sync discard
[  248.720039][ T8548] BTRFS info (device loop0): force clearing of disk cache
[  248.744706][ T8548] BTRFS info (device loop0): enabling auto defrag
[  248.773340][ T8548] BTRFS info (device loop0): turning off discard
[  248.802023][ T8548] BTRFS info (device loop0): using free space tree
executing program
[  248.830154][ T8548] BTRFS info (device loop0): has skinny extents
[  248.971395][ T8567] loop3: detected capacity change from 0 to 32768
[  249.009017][ T8548] BTRFS info (device loop0): enabling ssd optimizations
[  249.020010][ T8548] BTRFS info (device loop0): clearing free space tree
[  249.037285][ T8548] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  249.054574][ T8548] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  249.070537][ T8567] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8567)
[  249.118996][ T8548] BTRFS info (device loop0): creating free space tree
[  249.134830][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  249.158870][ T8577] loop2: detected capacity change from 0 to 32768
executing program
[  249.171639][ T8548] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  249.186100][ T8574] loop1: detected capacity change from 0 to 32768
[  249.206820][ T8548] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  249.210205][ T8571] loop4: detected capacity change from 0 to 32768
[  249.231355][ T8548] BTRFS info (device loop0): scrub: started on devid 1
[  249.260349][ T8577] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8577)
[  249.281866][ T8548] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  249.355272][ T8574] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8574)
executing program
[  249.468426][ T8571] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8571)
executing program
[  249.515700][ T4202] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 12 /dev/loop0 scanned by udevd (4202)
executing program
executing program
[  249.857075][ T8597] loop3: detected capacity change from 0 to 32768
[  250.300606][ T8600] loop1: detected capacity change from 0 to 32768
[  250.316713][ T8602] loop0: detected capacity change from 0 to 32768
executing program
[  250.350076][ T8604] loop4: detected capacity change from 0 to 32768
[  250.412276][ T8607] loop2: detected capacity change from 0 to 32768
[  250.440335][ T8602] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  250.449404][ T8602] BTRFS info (device loop0): use no compression
[  250.457797][ T8602] BTRFS info (device loop0): turning on sync discard
[  250.465475][ T8600] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8600)
[  250.476822][ T8602] BTRFS info (device loop0): force clearing of disk cache
[  250.483990][ T8602] BTRFS info (device loop0): enabling auto defrag
[  250.491300][ T8602] BTRFS info (device loop0): turning off discard
[  250.498073][ T8602] BTRFS info (device loop0): using free space tree
[  250.505241][ T8602] BTRFS info (device loop0): has skinny extents
[  250.526965][ T8604] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8604)
[  250.591723][ T8607] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8607)
[  250.648615][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
executing program
executing program
[  250.698194][ T8602] BTRFS info (device loop0): enabling ssd optimizations
[  250.708642][ T8602] BTRFS info (device loop0): clearing free space tree
[  250.732477][ T8602] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  250.794551][ T8602] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  250.808777][ T8609] loop3: detected capacity change from 0 to 32768
[  250.856132][ T8602] BTRFS info (device loop0): creating free space tree
[  250.863821][ T8602] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  250.908740][ T8609] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8609)
[  250.928547][ T8602] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  250.943294][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
executing program
[  251.010332][ T8602] BTRFS info (device loop0): scrub: started on devid 1
[  251.065664][ T8602] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
executing program
[  251.620492][ T8632] loop1: detected capacity change from 0 to 32768
[  251.640400][ T8631] loop2: detected capacity change from 0 to 32768
[  251.721782][ T8632] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8632)
[  251.749012][ T8634] loop3: detected capacity change from 0 to 32768
[  251.771308][ T8632] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  251.781005][ T8636] loop4: detected capacity change from 0 to 32768
[  251.790116][ T8631] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8631)
[  251.805317][ T8632] BTRFS info (device loop1): use no compression
[  251.813502][ T8632] BTRFS info (device loop1): turning on sync discard
[  251.820992][ T8632] BTRFS info (device loop1): force clearing of disk cache
[  251.829689][ T8632] BTRFS info (device loop1): enabling auto defrag
[  251.830478][ T8639] loop0: detected capacity change from 0 to 32768
[  251.843755][ T8632] BTRFS info (device loop1): turning off discard
[  251.851886][ T8634] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8634)
[  251.863277][ T8632] BTRFS info (device loop1): using free space tree
[  251.870079][ T8632] BTRFS info (device loop1): has skinny extents
[  251.915740][ T8636] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8636)
executing program
[  251.996754][ T8639] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8639)
executing program
[  252.134652][ T8632] BTRFS info (device loop1): enabling ssd optimizations
[  252.143064][ T8632] BTRFS info (device loop1): clearing free space tree
[  252.185155][ T8632] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  252.215577][ T8632] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  252.246119][ T8632] BTRFS info (device loop1): creating free space tree
[  252.264264][ T8632] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  252.290795][ T8632] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  252.325933][ T8632] BTRFS info (device loop1): scrub: started on devid 1
[  252.364778][ T8632] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
executing program
executing program
executing program
[  252.652260][ T8658] loop2: detected capacity change from 0 to 32768
[  252.749585][ T8658] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz-executor245 (8658)
[  252.816282][ T8658] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  252.844759][ T8658] BTRFS info (device loop2): use no compression
[  252.871736][ T8658] BTRFS info (device loop2): turning on sync discard
[  252.892081][ T8658] BTRFS info (device loop2): force clearing of disk cache
[  252.922640][ T8658] BTRFS info (device loop2): enabling auto defrag
[  252.943003][ T8658] BTRFS info (device loop2): turning off discard
[  252.963354][ T8658] BTRFS info (device loop2): using free space tree
[  252.983740][ T8658] BTRFS info (device loop2): has skinny extents
[  253.002667][ T8662] loop3: detected capacity change from 0 to 32768
executing program
[  253.089540][ T8662] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8662)
[  253.125007][ T4205] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4205)
[  253.222517][ T8666] loop4: detected capacity change from 0 to 32768
[  253.231401][ T8658] BTRFS info (device loop2): enabling ssd optimizations
[  253.263411][ T8658] BTRFS info (device loop2): clearing free space tree
[  253.267690][ T8666] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8666)
[  253.286645][ T8670] loop1: detected capacity change from 0 to 32768
[  253.295543][ T8658] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  253.330924][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  253.346001][ T8668] loop0: detected capacity change from 0 to 32768
[  253.353981][ T8658] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  253.373695][ T8658] BTRFS info (device loop2): creating free space tree
[  253.394363][ T8658] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  253.404789][ T8670] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8670)
executing program
[  253.454727][ T8658] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  253.480984][ T8658] BTRFS info (device loop2): scrub: started on devid 1
[  253.495946][ T8668] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8668)
[  253.544380][ T8658] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  253.575583][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
executing program
executing program
[  254.023391][ T8684] loop3: detected capacity change from 0 to 32768
[  254.145991][ T8684] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (8684)
[  254.176927][ T8693] loop4: detected capacity change from 0 to 32768
[  254.216255][ T8684] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  254.251878][ T8693] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8693)
[  254.264232][ T8684] BTRFS info (device loop3): use no compression
[  254.296489][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  254.307166][ T8684] BTRFS info (device loop3): turning on sync discard
[  254.313980][ T8684] BTRFS info (device loop3): force clearing of disk cache
[  254.334556][ T8684] BTRFS info (device loop3): enabling auto defrag
executing program
[  254.341050][ T8684] BTRFS info (device loop3): turning off discard
[  254.375898][ T8684] BTRFS info (device loop3): using free space tree
[  254.382457][ T8684] BTRFS info (device loop3): has skinny extents
[  254.409560][ T8695] loop1: detected capacity change from 0 to 32768
[  254.525902][ T8695] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8695)
[  254.594756][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
executing program
[  254.637041][ T8699] loop2: detected capacity change from 0 to 32768
[  254.648919][ T8701] loop0: detected capacity change from 0 to 32768
[  254.681257][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  254.744625][ T8684] BTRFS info (device loop3): enabling ssd optimizations
[  254.760526][ T8684] BTRFS info (device loop3): clearing free space tree
[  254.769231][ T8701] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8701)
executing program
[  254.825567][ T8684] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  254.845168][ T8699] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8699)
[  254.863782][ T8684] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  254.900029][ T8684] BTRFS info (device loop3): creating free space tree
[  254.907122][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
[  254.912626][ T8704] loop4: detected capacity change from 0 to 32768
[  254.925320][ T8684] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  254.974561][ T8684] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  255.009985][ T8684] BTRFS info (device loop3): scrub: started on devid 1
[  255.025648][ T8704] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8704)
[  255.086927][ T8684] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
executing program
executing program
executing program
[  255.586259][ T8720] loop1: detected capacity change from 0 to 32768
[  255.599841][ T8726] loop0: detected capacity change from 0 to 32768
[  255.685556][ T8720] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8720)
[  255.780053][ T8726] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8726)
[  255.791922][ T8720] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  255.814884][ T8720] BTRFS info (device loop1): use no compression
executing program
[  255.822564][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
[  255.844544][ T8720] BTRFS info (device loop1): turning on sync discard
[  255.851392][ T8720] BTRFS info (device loop1): force clearing of disk cache
[  255.904546][ T8720] BTRFS info (device loop1): enabling auto defrag
[  255.911162][ T8720] BTRFS info (device loop1): turning off discard
[  255.980059][ T8720] BTRFS info (device loop1): using free space tree
[  255.991696][ T8732] loop3: detected capacity change from 0 to 32768
[  256.004539][ T8720] BTRFS info (device loop1): has skinny extents
[  256.060857][ T8732] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8732)
[  256.073728][ T8730] loop2: detected capacity change from 0 to 32768
[  256.093412][ T4205] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4205)
executing program
executing program
[  256.203519][ T8730] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8730)
[  256.237961][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
[  256.296832][ T8720] BTRFS info (device loop1): enabling ssd optimizations
[  256.314470][ T8720] BTRFS info (device loop1): clearing free space tree
[  256.322314][ T8720] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  256.332688][ T8720] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  256.362206][ T8720] BTRFS info (device loop1): creating free space tree
[  256.386777][ T8734] loop4: detected capacity change from 0 to 32768
[  256.394873][ T8720] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  256.444702][ T8720] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  256.500065][ T8734] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8734)
[  256.536240][ T8720] BTRFS info (device loop1): scrub: started on devid 1
[  256.552571][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  256.565568][ T8720] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  256.725773][ T8737] loop0: detected capacity change from 0 to 32768
executing program
[  256.840444][ T8737] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (8737)
[  256.909303][ T8737] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  256.944804][ T8737] BTRFS info (device loop0): use no compression
[  256.971646][ T8737] BTRFS info (device loop0): turning on sync discard
[  257.002148][ T8737] BTRFS info (device loop0): force clearing of disk cache
[  257.035535][ T8737] BTRFS info (device loop0): enabling auto defrag
[  257.042014][ T8737] BTRFS info (device loop0): turning off discard
[  257.089374][ T8737] BTRFS info (device loop0): using free space tree
[  257.109709][ T8737] BTRFS info (device loop0): has skinny extents
[  257.147164][ T8753] loop3: detected capacity change from 0 to 32768
[  257.201876][ T8757] loop2: detected capacity change from 0 to 32768
[  257.246186][ T8753] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8753)
[  257.273101][ T8757] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8757)
executing program
executing program
[  257.344242][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  257.360807][ T8737] BTRFS info (device loop0): enabling ssd optimizations
[  257.389457][ T8737] BTRFS info (device loop0): clearing free space tree
[  257.419189][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
[  257.439740][ T8737] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  257.473913][ T8761] loop4: detected capacity change from 0 to 32768
[  257.492709][ T8737] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  257.534641][ T8737] BTRFS info (device loop0): creating free space tree
[  257.542335][ T8737] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  257.572489][ T8737] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  257.590430][ T8761] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8761)
executing program
[  257.642621][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  257.654956][ T8737] BTRFS info (device loop0): scrub: started on devid 1
[  257.685199][ T8764] loop1: detected capacity change from 0 to 32768
[  257.707613][ T8737] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  257.755881][ T8764] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8764)
[  257.840398][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
[  257.869332][ T8784] loop2: detected capacity change from 0 to 32768
executing program
executing program
[  257.941654][ T8784] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz-executor245 (8784)
[  258.047198][ T8784] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  258.089478][ T8784] BTRFS info (device loop2): use no compression
[  258.109720][ T8784] BTRFS info (device loop2): turning on sync discard
[  258.134718][ T8784] BTRFS info (device loop2): force clearing of disk cache
[  258.174641][ T8784] BTRFS info (device loop2): enabling auto defrag
[  258.181851][ T8784] BTRFS info (device loop2): turning off discard
[  258.229203][ T8784] BTRFS info (device loop2): using free space tree
[  258.254596][ T8784] BTRFS info (device loop2): has skinny extents
[  258.514874][ T8784] BTRFS info (device loop2): enabling ssd optimizations
[  258.532924][ T8784] BTRFS info (device loop2): clearing free space tree
[  258.552741][ T8784] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  258.567069][ T8785] loop3: detected capacity change from 0 to 32768
[  258.593514][ T8784] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  258.616860][ T8785] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8785)
[  258.635154][ T8784] BTRFS info (device loop2): creating free space tree
[  258.655632][ T8784] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  258.658705][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  258.694608][ T8784] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  258.732830][ T8789] loop4: detected capacity change from 0 to 32768
[  258.767907][ T8784] BTRFS info (device loop2): scrub: started on devid 1
[  258.807362][ T8784] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  258.852866][ T8789] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8789)
[  258.893773][ T8795] loop1: detected capacity change from 0 to 32768
[  258.912692][ T4205] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4205)
[  258.918329][ T8794] loop0: detected capacity change from 0 to 32768
executing program
executing program
[  259.062570][ T8795] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8795)
[  259.129570][ T8794] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8794)
[  259.163749][ T8795] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  259.193273][ T4202] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4202)
[  259.194091][ T8795] BTRFS info (device loop1): use no compression
executing program
[  259.265619][ T8795] BTRFS info (device loop1): turning on sync discard
[  259.296049][ T8795] BTRFS info (device loop1): force clearing of disk cache
[  259.333771][ T8795] BTRFS info (device loop1): enabling auto defrag
[  259.360727][ T8795] BTRFS info (device loop1): turning off discard
[  259.401230][ T8795] BTRFS info (device loop1): using free space tree
[  259.438709][ T8795] BTRFS info (device loop1): has skinny extents
[  259.570988][ T8816] loop3: detected capacity change from 0 to 32768
[  259.648293][ T8816] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8816)
executing program
[  259.721008][ T8795] BTRFS info (device loop1): enabling ssd optimizations
[  259.730649][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  259.742905][ T8795] BTRFS info (device loop1): clearing free space tree
[  259.762639][ T8795] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  259.782649][ T8795] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  259.822967][ T8795] BTRFS info (device loop1): creating free space tree
[  259.841403][ T8795] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  259.856990][ T8825] loop0: detected capacity change from 0 to 32768
[  259.863627][ T8795] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  259.916015][ T8795] BTRFS info (device loop1): scrub: started on devid 1
[  259.938405][ T8825] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8825)
[  259.960979][ T8795] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  259.975479][ T4177] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4177)
executing program
[  260.055242][ T8820] loop4: detected capacity change from 0 to 32768
[  260.163442][ T8820] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8820)
[  260.167163][ T8822] loop2: detected capacity change from 0 to 32768
executing program
executing program
[  260.228479][ T4878] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4878)
[  260.323171][ T8822] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  260.364647][ T8822] BTRFS info (device loop2): use no compression
[  260.370942][ T8822] BTRFS info (device loop2): turning on sync discard
[  260.408454][ T8822] BTRFS info (device loop2): force clearing of disk cache
[  260.449052][ T8822] BTRFS info (device loop2): enabling auto defrag
[  260.479499][ T8822] BTRFS info (device loop2): turning off discard
[  260.514540][ T8822] BTRFS info (device loop2): using free space tree
[  260.548170][ T8822] BTRFS info (device loop2): has skinny extents
[  260.690941][ T8845] loop3: detected capacity change from 0 to 32768
executing program
[  260.772572][ T8845] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8845)
[  260.804399][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  260.921685][ T8853] loop4: detected capacity change from 0 to 32768
[  260.944690][ T8822] BTRFS info (device loop2): enabling ssd optimizations
[  260.962108][ T8822] BTRFS info (device loop2): clearing free space tree
[  260.991203][ T8853] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8853)
[  261.004656][ T8822] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  261.057649][ T8848] loop0: detected capacity change from 0 to 32768
[  261.063309][ T8822] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  261.089830][ T8822] BTRFS info (device loop2): creating free space tree
[  261.106349][ T8822] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  261.126702][ T8822] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  261.171799][ T8848] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8848)
[  261.199172][ T8822] BTRFS info (device loop2): scrub: started on devid 1
executing program
[  261.218192][ T8852] loop1: detected capacity change from 0 to 32768
[  261.233593][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
[  261.257805][ T8822] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  261.323845][ T8852] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8852)
executing program
[  261.428812][ T4177] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4177)
executing program
executing program
[  261.662062][ T8873] loop3: detected capacity change from 0 to 32768
[  261.756921][ T8873] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  261.804617][ T8873] BTRFS info (device loop3): use no compression
[  261.821702][ T8873] BTRFS info (device loop3): turning on sync discard
[  261.854615][ T8873] BTRFS info (device loop3): force clearing of disk cache
[  261.861782][ T8873] BTRFS info (device loop3): enabling auto defrag
[  261.909542][ T8873] BTRFS info (device loop3): turning off discard
[  261.940134][ T8873] BTRFS info (device loop3): using free space tree
[  261.970790][ T8873] BTRFS info (device loop3): has skinny extents
[  262.147931][ T8884] loop2: detected capacity change from 0 to 32768
[  262.204702][ T8878] loop0: detected capacity change from 0 to 32768
[  262.211327][ T8873] BTRFS info (device loop3): enabling ssd optimizations
[  262.219732][ T8873] BTRFS info (device loop3): clearing free space tree
[  262.229626][ T8873] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  262.240115][ T8873] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  262.257566][ T8884] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8884)
[  262.269980][ T8873] BTRFS info (device loop3): creating free space tree
[  262.277850][ T8873] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  262.288308][ T8873] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  262.310260][ T8873] BTRFS info (device loop3): scrub: started on devid 1
[  262.332036][ T8873] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  262.345821][ T8878] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8878)
executing program
[  262.418338][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
[  262.431034][ T8881] loop1: detected capacity change from 0 to 32768
executing program
[  262.576782][ T8881] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8881)
[  262.594813][ T8886] loop4: detected capacity change from 0 to 32768
executing program
executing program
[  262.716450][ T8886] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (8886)
[  262.754766][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
[  262.778030][ T8886] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  262.824640][ T8886] BTRFS info (device loop4): use no compression
[  262.830934][ T8886] BTRFS info (device loop4): turning on sync discard
[  262.904951][ T8886] BTRFS info (device loop4): force clearing of disk cache
[  262.912126][ T8886] BTRFS info (device loop4): enabling auto defrag
[  262.974590][ T8886] BTRFS info (device loop4): turning off discard
[  262.980972][ T8886] BTRFS info (device loop4): using free space tree
[  263.034601][ T8886] BTRFS info (device loop4): has skinny extents
[  263.274313][ T8908] loop0: detected capacity change from 0 to 32768
[  263.323950][ T8908] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8908)
[  263.355831][ T8886] BTRFS info (device loop4): enabling ssd optimizations
executing program
[  263.372279][ T4177] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4177)
[  263.383539][ T8886] BTRFS info (device loop4): clearing free space tree
[  263.390486][ T8886] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  263.402572][ T8886] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  263.435263][ T8886] BTRFS info (device loop4): creating free space tree
[  263.464412][ T8912] loop1: detected capacity change from 0 to 32768
[  263.471824][ T8886] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  263.512507][ T8886] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  263.560252][ T8912] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8912)
[  263.575596][ T8910] loop3: detected capacity change from 0 to 32768
[  263.586609][ T8886] BTRFS info (device loop4): scrub: started on devid 1
executing program
[  263.609666][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  263.638810][ T8886] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  263.666259][ T8910] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8910)
[  263.669612][ T8914] loop2: detected capacity change from 0 to 32768
executing program
[  263.746739][ T4878] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4878)
[  263.914052][ T8914] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8914)
executing program
executing program
[  263.977674][ T4177] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4177)
[  264.294244][ T8935] loop0: detected capacity change from 0 to 32768
[  264.436774][ T8935] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  264.464611][ T8935] BTRFS info (device loop0): use no compression
[  264.470938][ T8935] BTRFS info (device loop0): turning on sync discard
[  264.514628][ T8935] BTRFS info (device loop0): force clearing of disk cache
[  264.521799][ T8935] BTRFS info (device loop0): enabling auto defrag
[  264.562888][ T8938] loop1: detected capacity change from 0 to 32768
[  264.574548][ T8935] BTRFS info (device loop0): turning off discard
[  264.580988][ T8935] BTRFS info (device loop0): using free space tree
[  264.604542][ T8935] BTRFS info (device loop0): has skinny extents
[  264.710978][ T8945] loop2: detected capacity change from 0 to 32768
[  264.722449][ T8938] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (8938)
executing program
[  264.753861][ T8941] loop3: detected capacity change from 0 to 32768
[  264.764804][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  264.825978][ T8945] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8945)
executing program
[  264.865764][ T8941] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8941)
[  264.879816][ T8944] loop4: detected capacity change from 0 to 32768
[  264.901129][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  264.934601][ T8935] BTRFS info (device loop0): enabling ssd optimizations
[  264.952120][ T8935] BTRFS info (device loop0): clearing free space tree
[  264.959441][ T8935] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  264.981022][ T8944] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8944)
[  265.023198][ T8935] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  265.035284][ T4878] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4878)
[  265.070875][ T8935] BTRFS info (device loop0): creating free space tree
[  265.095991][ T8935] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  265.146759][ T8935] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  265.206010][ T8935] BTRFS info (device loop0): scrub: started on devid 1
[  265.267540][ T8935] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
executing program
executing program
[  265.760650][ T8963] loop1: detected capacity change from 0 to 32768
[  265.773199][ T8969] loop3: detected capacity change from 0 to 32768
[  265.804382][ T8963] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz-executor245 (8963)
[  265.874260][ T8963] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  265.885713][ T8969] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8969)
[  265.936220][ T8963] BTRFS info (device loop1): use no compression
[  265.942687][ T8963] BTRFS info (device loop1): turning on sync discard
[  265.980097][ T8963] BTRFS info (device loop1): force clearing of disk cache
[  265.993705][ T8971] loop4: detected capacity change from 0 to 32768
[  266.042470][ T8963] BTRFS info (device loop1): enabling auto defrag
[  266.053115][ T8963] BTRFS info (device loop1): turning off discard
[  266.090545][ T8971] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8971)
[  266.121273][ T8963] BTRFS info (device loop1): using free space tree
[  266.129135][ T8963] BTRFS info (device loop1): has skinny extents
executing program
[  266.135981][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  266.278261][ T8977] loop0: detected capacity change from 0 to 32768
executing program
[  266.372966][ T8974] loop2: detected capacity change from 0 to 32768
[  266.405332][ T8977] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (8977)
executing program
[  266.456586][ T8963] BTRFS info (device loop1): enabling ssd optimizations
[  266.488638][ T8974] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (8974)
[  266.505228][ T8963] BTRFS info (device loop1): clearing free space tree
executing program
[  266.543096][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
[  266.563801][ T8963] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  266.584647][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
[  266.635923][ T8963] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  266.667354][ T8982] loop4: detected capacity change from 0 to 32768
[  266.718658][ T8963] BTRFS info (device loop1): creating free space tree
[  266.761658][ T8982] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (8982)
[  266.775545][ T8963] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  266.814232][ T4205] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4205)
[  266.824813][ T8963] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  266.916446][ T8963] BTRFS info (device loop1): scrub: started on devid 1
[  266.967578][ T8963] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
executing program
[  267.384777][ T9002] loop0: detected capacity change from 0 to 32768
[  267.445448][ T9004] loop2: detected capacity change from 0 to 32768
[  267.460635][ T9002] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor245 (9002)
[  267.525002][ T9002] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
executing program
[  267.570321][ T9004] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9004)
[  267.591791][ T9002] BTRFS info (device loop0): use no compression
[  267.616723][ T9002] BTRFS info (device loop0): turning on sync discard
[  267.631234][ T8998] loop3: detected capacity change from 0 to 32768
[  267.638854][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
[  267.654075][ T9002] BTRFS info (device loop0): force clearing of disk cache
[  267.694648][ T9002] BTRFS info (device loop0): enabling auto defrag
[  267.701119][ T9002] BTRFS info (device loop0): turning off discard
[  267.734654][ T9002] BTRFS info (device loop0): using free space tree
[  267.742475][ T8998] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (8998)
[  267.782860][ T9002] BTRFS info (device loop0): has skinny extents
executing program
[  267.789502][ T4205] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4205)
[  267.931953][ T9006] loop4: detected capacity change from 0 to 32768
[  268.050887][ T9006] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9006)
[  268.104653][ T9002] BTRFS info (device loop0): enabling ssd optimizations
[  268.112479][ T4202] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4202)
[  268.128402][ T9002] BTRFS info (device loop0): clearing free space tree
executing program
[  268.151260][ T9010] loop1: detected capacity change from 0 to 32768
[  268.184638][ T9002] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  268.234973][ T9002] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  268.282009][ T9010] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9010)
[  268.315789][ T9002] BTRFS info (device loop0): creating free space tree
executing program
[  268.325916][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  268.332104][ T9002] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  268.403012][ T9013] loop2: detected capacity change from 0 to 32768
[  268.410245][ T9002] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  268.460965][ T9002] BTRFS info (device loop0): scrub: started on devid 1
[  268.485321][ T9002] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  268.504087][ T9013] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9013)
executing program
[  268.563507][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
executing program
[  268.939409][ T9017] loop3: detected capacity change from 0 to 32768
[  269.069009][ T9017] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (9017)
[  269.109564][ T9035] loop4: detected capacity change from 0 to 32768
[  269.129684][ T9017] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  269.149849][ T9017] BTRFS info (device loop3): use no compression
[  269.160700][ T9017] BTRFS info (device loop3): turning on sync discard
[  269.184582][ T9017] BTRFS info (device loop3): force clearing of disk cache
[  269.201878][ T9037] loop1: detected capacity change from 0 to 32768
[  269.208825][ T9017] BTRFS info (device loop3): enabling auto defrag
[  269.234593][ T9017] BTRFS info (device loop3): turning off discard
[  269.252634][ T9035] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9035)
[  269.262636][ T9017] BTRFS info (device loop3): using free space tree
executing program
[  269.299368][ T9037] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9037)
[  269.312195][ T9017] BTRFS info (device loop3): has skinny extents
[  269.344056][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
executing program
[  269.385369][ T4878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4878)
[  269.408611][ T9040] loop2: detected capacity change from 0 to 32768
[  269.458468][ T9043] loop0: detected capacity change from 0 to 32768
[  269.492348][ T9040] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9040)
executing program
[  269.570758][ T9043] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9043)
executing program
[  269.624775][ T4205] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4205)
[  269.636021][ T4202] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4202)
[  269.679897][ T9017] BTRFS info (device loop3): enabling ssd optimizations
[  269.708399][ T9017] BTRFS info (device loop3): clearing free space tree
[  269.781971][ T9017] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  269.834738][ T9017] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  269.926392][ T9017] BTRFS info (device loop3): creating free space tree
[  269.934134][ T9017] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  269.996069][ T9017] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  270.069103][ T9017] BTRFS info (device loop3): scrub: started on devid 1
[  270.115263][ T9017] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  270.187727][ T9046] loop4: detected capacity change from 0 to 32768
[  270.200950][ T9061] loop2: detected capacity change from 0 to 32768
executing program
[  270.260163][ T9046] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9046)
executing program
executing program
[  270.330838][ T9061] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9061)
[  270.367176][ T4177] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4177)
[  270.458886][ T9068] loop0: detected capacity change from 0 to 32768
[  270.528807][ T9068] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  270.574553][ T9068] BTRFS info (device loop0): use no compression
[  270.580855][ T9068] BTRFS info (device loop0): turning on sync discard
[  270.624732][ T9068] BTRFS info (device loop0): force clearing of disk cache
[  270.631904][ T9068] BTRFS info (device loop0): enabling auto defrag
[  270.666490][ T9049] loop1: detected capacity change from 0 to 32768
[  270.706800][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
[  270.724546][ T9068] BTRFS info (device loop0): turning off discard
[  270.731539][ T9068] BTRFS info (device loop0): using free space tree
[  270.768960][ T9049] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9049)
[  270.794548][ T9068] BTRFS info (device loop0): has skinny extents
[  271.012321][ T9068] BTRFS info (device loop0): enabling ssd optimizations
[  271.055468][ T9068] BTRFS info (device loop0): clearing free space tree
[  271.108021][ T9068] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  271.118391][ T9068] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  271.133918][ T9068] BTRFS info (device loop0): creating free space tree
[  271.142652][ T9068] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  271.153091][ T9068] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  271.168178][ T9074] loop4: detected capacity change from 0 to 32768
[  271.177655][ T9068] BTRFS info (device loop0): scrub: started on devid 1
[  271.201778][ T9078] loop2: detected capacity change from 0 to 32768
[  271.217673][ T9068] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  271.218160][ T9074] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9074)
[  271.345755][ T9078] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9078)
executing program
[  271.621087][ T9077] loop3: detected capacity change from 0 to 32768
executing program
executing program
executing program
[  271.745629][ T9077] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (9077)
[  271.834646][ T9077] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  271.843404][ T9077] BTRFS info (device loop3): use no compression
[  271.884564][ T9077] BTRFS info (device loop3): turning on sync discard
[  271.891595][ T9077] BTRFS info (device loop3): force clearing of disk cache
[  271.942719][ T9077] BTRFS info (device loop3): enabling auto defrag
[  271.954629][ T9077] BTRFS info (device loop3): turning off discard
[  271.961007][ T9077] BTRFS info (device loop3): using free space tree
[  271.998652][ T9077] BTRFS info (device loop3): has skinny extents
[  272.092287][ T9102] loop1: detected capacity change from 0 to 32768
[  272.127473][ T9102] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9102)
executing program
[  272.165120][ T4177] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4177)
[  272.273139][ T9107] loop4: detected capacity change from 0 to 32768
[  272.302107][ T9077] BTRFS info (device loop3): enabling ssd optimizations
[  272.311700][ T9077] BTRFS info (device loop3): clearing free space tree
[  272.317820][ T9108] loop0: detected capacity change from 0 to 32768
[  272.325389][ T9077] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  272.336465][ T9077] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  272.360731][ T9077] BTRFS info (device loop3): creating free space tree
[  272.379321][ T9107] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9107)
[  272.411920][ T9077] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  272.454876][ T9077] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  272.489582][ T9108] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9108)
executing program
[  272.526599][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  272.538644][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
[  272.555970][ T9077] BTRFS info (device loop3): scrub: started on devid 1
[  272.591857][ T9077] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  272.657485][ T9104] loop2: detected capacity change from 0 to 32768
[  272.757883][ T9104] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz-executor245 (9104)
[  272.786201][ T9123] loop1: detected capacity change from 0 to 32768
executing program
[  272.868278][ T9104] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  272.894600][ T9123] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9123)
executing program
[  272.924680][ T9104] BTRFS info (device loop2): use no compression
[  272.971344][ T9104] BTRFS info (device loop2): turning on sync discard
[  272.995392][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
[  272.999801][ T9104] BTRFS info (device loop2): force clearing of disk cache
[  273.054615][ T9104] BTRFS info (device loop2): enabling auto defrag
[  273.061177][ T9104] BTRFS info (device loop2): turning off discard
[  273.109479][ T9104] BTRFS info (device loop2): using free space tree
[  273.142232][ T9104] BTRFS info (device loop2): has skinny extents
[  273.374240][ T9131] loop4: detected capacity change from 0 to 32768
[  273.401553][ T9104] BTRFS info (device loop2): enabling ssd optimizations
[  273.422826][ T9104] BTRFS info (device loop2): clearing free space tree
[  273.503406][ T9104] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  273.551930][ T9131] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9131)
[  273.567642][ T9104] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  273.568342][ T9134] loop0: detected capacity change from 0 to 32768
[  273.585249][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
executing program
[  273.613577][ T9104] BTRFS info (device loop2): creating free space tree
[  273.634338][ T9104] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  273.647634][ T9137] loop3: detected capacity change from 0 to 32768
[  273.678757][ T9134] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9134)
[  273.690265][ T9104] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  273.723099][ T9137] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9137)
[  273.747801][ T4177] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4177)
executing program
[  273.768556][ T4205] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4205)
[  273.789984][ T9104] BTRFS info (device loop2): scrub: started on devid 1
[  273.797486][ T9140] loop1: detected capacity change from 0 to 32768
[  273.835453][ T9104] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  273.915963][ T9140] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9140)
[  273.978998][ T4202] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4202)
executing program
executing program
[  274.625346][ T9160] loop4: detected capacity change from 0 to 32768
[  274.711255][ T9160] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (9160)
[  274.731529][ T9164] loop3: detected capacity change from 0 to 32768
[  274.755901][ T9162] loop0: detected capacity change from 0 to 32768
[  274.764290][ T9160] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  274.793537][ T9162] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9162)
[  274.819571][ T4878] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4878)
[  274.829883][ T9160] BTRFS info (device loop4): use no compression
[  274.833037][ T9168] loop1: detected capacity change from 0 to 32768
[  274.850202][ T9160] BTRFS info (device loop4): turning on sync discard
[  274.869822][ T9160] BTRFS info (device loop4): force clearing of disk cache
[  274.869937][ T9164] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9164)
[  274.903224][ T9160] BTRFS info (device loop4): enabling auto defrag
executing program
executing program
[  274.911325][ T9168] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9168)
[  274.922923][ T9160] BTRFS info (device loop4): turning off discard
[  274.954520][ T9160] BTRFS info (device loop4): using free space tree
[  274.973887][ T9160] BTRFS info (device loop4): has skinny extents
[  274.988407][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  274.996258][ T9170] loop2: detected capacity change from 0 to 32768
executing program
[  275.022461][ T4205] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4205)
[  275.126304][ T9170] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9170)
executing program
[  275.209024][ T4202] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4202)
[  275.424831][ T9160] BTRFS info (device loop4): enabling ssd optimizations
[  275.444808][ T9160] BTRFS info (device loop4): clearing free space tree
[  275.474652][ T9160] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  275.531079][ T9160] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  275.593927][ T9160] BTRFS info (device loop4): creating free space tree
[  275.624195][ T9160] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  275.654563][ T9160] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  275.705972][ T9160] BTRFS info (device loop4): scrub: started on devid 1
[  275.728287][ T9174] loop3: detected capacity change from 0 to 32768
[  275.741157][ T9160] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  275.753809][ T9175] loop0: detected capacity change from 0 to 32768
[  275.788224][ T9174] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9174)
[  275.926030][ T9190] loop2: detected capacity change from 0 to 32768
[  275.935826][ T9175] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9175)
executing program
executing program
[  275.996410][ T4205] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4205)
[  276.020737][ T9178] loop1: detected capacity change from 0 to 32768
[  276.070507][ T9190] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  276.078299][ T9178] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9178)
[  276.114546][ T9190] BTRFS info (device loop2): use no compression
[  276.141356][ T9190] BTRFS info (device loop2): turning on sync discard
[  276.194612][ T9190] BTRFS info (device loop2): force clearing of disk cache
[  276.201785][ T9190] BTRFS info (device loop2): enabling auto defrag
[  276.248999][ T9190] BTRFS info (device loop2): turning off discard
executing program
[  276.289650][ T9190] BTRFS info (device loop2): using free space tree
[  276.337050][ T9190] BTRFS info (device loop2): has skinny extents
executing program
[  276.614151][ T9190] BTRFS info (device loop2): enabling ssd optimizations
[  276.645776][ T9190] BTRFS info (device loop2): clearing free space tree
[  276.693345][ T9190] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  276.730273][ T9203] loop0: detected capacity change from 0 to 32768
[  276.749701][ T9190] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  276.777324][ T9203] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9203)
[  276.806917][ T9190] BTRFS info (device loop2): creating free space tree
[  276.824189][ T9207] loop3: detected capacity change from 0 to 32768
[  276.831949][ T9190] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  276.863268][ T9190] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  276.900669][ T9207] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9207)
executing program
[  276.923376][ T9190] BTRFS info (device loop2): scrub: started on devid 1
[  276.934771][ T4177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4177)
[  276.963956][ T9190] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  277.089968][ T9202] loop4: detected capacity change from 0 to 32768
executing program
executing program
[  277.230105][ T9202] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz-executor245 (9202)
[  277.325658][ T9202] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  277.334406][ T9202] BTRFS info (device loop4): use no compression
[  277.382803][ T9202] BTRFS info (device loop4): turning on sync discard
[  277.415210][ T9202] BTRFS info (device loop4): force clearing of disk cache
[  277.422465][ T9202] BTRFS info (device loop4): enabling auto defrag
[  277.454561][ T9202] BTRFS info (device loop4): turning off discard
[  277.461075][ T9202] BTRFS info (device loop4): using free space tree
[  277.504551][ T9202] BTRFS info (device loop4): has skinny extents
[  277.568371][ T9225] loop1: detected capacity change from 0 to 32768
[  277.631149][ T9225] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9225)
executing program
[  277.674999][ T4177] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4177)
[  277.769718][ T9202] BTRFS info (device loop4): enabling ssd optimizations
[  277.782421][ T9202] BTRFS info (device loop4): clearing free space tree
[  277.798337][ T9229] loop3: detected capacity change from 0 to 32768
[  277.825869][ T9202] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  277.835882][ T9202] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  277.864918][ T9202] BTRFS info (device loop4): creating free space tree
[  277.872614][ T9202] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  277.883774][ T9229] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9229)
[  277.914792][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
executing program
[  277.934586][ T9202] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  278.002815][ T9233] loop0: detected capacity change from 0 to 32768
[  278.025870][ T9202] BTRFS info (device loop4): scrub: started on devid 1
[  278.075720][ T9202] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  278.091480][ T9233] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9233)
executing program
[  278.137672][ T4878] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4878)
[  278.225485][ T9235] loop2: detected capacity change from 0 to 32768
executing program
executing program
[  278.299484][ T9235] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9235)
[  278.332860][ T4177] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4177)
[  278.690192][ T9255] loop1: detected capacity change from 0 to 32768
[  278.778018][ T9255] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  278.807376][ T9255] BTRFS info (device loop1): use no compression
[  278.837757][ T9255] BTRFS info (device loop1): turning on sync discard
[  278.864920][ T9255] BTRFS info (device loop1): force clearing of disk cache
[  278.902811][ T9255] BTRFS info (device loop1): enabling auto defrag
[  278.923157][ T9255] BTRFS info (device loop1): turning off discard
[  278.946254][ T9258] loop3: detected capacity change from 0 to 32768
[  278.953660][ T9255] BTRFS info (device loop1): using free space tree
[  278.987366][ T9255] BTRFS info (device loop1): has skinny extents
[  279.030415][ T9258] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor245 (9258)
executing program
[  279.079107][ T4182] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4182)
[  279.110590][ T9262] loop0: detected capacity change from 0 to 32768
[  279.168086][ T9262] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9262)
[  279.214922][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
executing program
[  279.256428][ T9266] loop4: detected capacity change from 0 to 32768
[  279.304651][ T9266] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9266)
executing program
[  279.367201][ T4177] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4177)
[  279.434592][ T9255] BTRFS info (device loop1): enabling ssd optimizations
[  279.451962][ T9255] BTRFS info (device loop1): clearing free space tree
[  279.511799][ T9255] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  279.528780][ T9265] loop2: detected capacity change from 0 to 32768
[  279.552284][ T9255] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  279.604777][ T9255] BTRFS info (device loop1): creating free space tree
[  279.616301][ T9285] loop0: detected capacity change from 0 to 32768
[  279.634525][ T9255] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
executing program
[  279.669315][ T9265] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9265)
[  279.679128][ T9255] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  279.742933][ T9285] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9285)
[  279.755426][ T9255] BTRFS info (device loop1): scrub: started on devid 1
[  279.781822][ T9255] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
executing program
[  279.795194][ T4878] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4878)
[  279.834745][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
executing program
[  280.170742][ T9275] loop3: detected capacity change from 0 to 32768
[  280.251483][ T9275] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz-executor245 (9275)
[  280.347442][ T9275] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  280.394042][ T9275] BTRFS info (device loop3): use no compression
[  280.448433][ T9275] BTRFS info (device loop3): turning on sync discard
[  280.466559][ T9292] loop4: detected capacity change from 0 to 32768
[  280.514535][ T9275] BTRFS info (device loop3): force clearing of disk cache
[  280.522056][ T9275] BTRFS info (device loop3): enabling auto defrag
[  280.535982][ T9292] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9292)
executing program
[  280.580414][ T9275] BTRFS info (device loop3): turning off discard
[  280.594528][ T9275] BTRFS info (device loop3): using free space tree
[  280.601085][ T9275] BTRFS info (device loop3): has skinny extents
[  280.608129][ T4182] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4182)
[  280.754766][ T9294] loop2: detected capacity change from 0 to 32768
executing program
[  280.804979][ T9297] loop0: detected capacity change from 0 to 32768
[  280.840791][ T9294] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9294)
[  280.909304][ T9297] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9297)
[  280.958171][ T9300] loop1: detected capacity change from 0 to 32768
[  280.965961][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
[  280.986543][ T4878] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4878)
[  280.988199][ T9275] BTRFS info (device loop3): enabling ssd optimizations
executing program
[  281.013336][ T9275] BTRFS info (device loop3): clearing free space tree
[  281.024570][ T9275] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  281.033184][ T9300] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9300)
[  281.044998][ T9275] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  281.074827][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
[  281.096211][ T9275] BTRFS info (device loop3): creating free space tree
[  281.145951][ T9275] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  281.186292][ T9275] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  281.262029][ T9303] loop4: detected capacity change from 0 to 32768
[  281.276251][ T9275] BTRFS info (device loop3): scrub: started on devid 1
[  281.327086][ T9303] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9303)
[  281.329578][ T9275] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  281.513891][ T4205] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 12 /dev/loop3 scanned by udevd (4205)
executing program
[  281.653510][ T9321] loop2: detected capacity change from 0 to 32768
executing program
executing program
[  282.030792][ T9325] loop0: detected capacity change from 0 to 32768
[  282.060771][ T9327] loop1: detected capacity change from 0 to 32768
executing program
executing program
[  282.378485][ T9330] loop3: detected capacity change from 0 to 32768
[  282.431485][ T9330] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  282.472803][ T9330] BTRFS info (device loop3): use no compression
[  282.501231][ T9330] BTRFS info (device loop3): turning on sync discard
[  282.531581][ T9330] BTRFS info (device loop3): force clearing of disk cache
[  282.563239][ T9330] BTRFS info (device loop3): enabling auto defrag
[  282.593602][ T9330] BTRFS info (device loop3): turning off discard
[  282.612766][ T9330] BTRFS info (device loop3): using free space tree
[  282.629797][ T9330] BTRFS info (device loop3): has skinny extents
[  282.638789][ T9333] loop2: detected capacity change from 0 to 32768
[  282.659513][ T9335] loop4: detected capacity change from 0 to 32768
executing program
[  282.714774][ T9333] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9333)
[  282.746978][ T9335] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9335)
[  282.828075][ T9337] loop0: detected capacity change from 0 to 32768
[  282.835902][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
[  282.868558][ T9330] BTRFS info (device loop3): enabling ssd optimizations
[  282.879311][ T9330] BTRFS info (device loop3): clearing free space tree
[  282.911692][ T9337] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9337)
[  282.965667][ T9330] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  282.994740][ T9330] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
executing program
[  283.015206][ T9330] BTRFS info (device loop3): creating free space tree
[  283.016313][ T4205] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4205)
[  283.022951][ T9330] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1)
[  283.077329][ T9339] loop1: detected capacity change from 0 to 32768
[  283.094737][ T9330] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[  283.161501][ T9330] BTRFS info (device loop3): scrub: started on devid 1
[  283.170434][ T9339] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9339)
executing program
[  283.204879][ T4182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4182)
executing program
[  283.255202][ T9363] ------------[ cut here ]------------
[  283.256249][ T9330] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  283.276997][ T9363] WARNING: CPU: 0 PID: 9363 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x1575/0x1aa0
[  283.328019][ T9363] Modules linked in:
[  283.367070][ T9363] CPU: 0 PID: 9363 Comm: syz-executor245 Not tainted 5.15.178-syzkaller #0
[  283.410533][ T9363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  283.467608][ T9352] loop2: detected capacity change from 0 to 32768
[  283.474398][ T9363] RIP: 0010:btrfs_remove_chunk+0x1575/0x1aa0
[  283.484615][ T9363] Code: ff e8 df a9 0a fe 4c 8b 24 24 0f 1f 44 00 00 e8 d1 a9 0a fe eb 16 e8 ca a9 0a fe 48 c7 c7 00 bc eb 8a 44 89 f6 e8 5b 43 d6 fd <0f> 0b 4c 89 e7 48 c7 c6 60 bf eb 8a ba b5 0c 00 00 e9 90 fa ff ff
[  283.564563][ T9363] RSP: 0018:ffffc9000f9b78c0 EFLAGS: 00010246
[  283.582785][ T9352] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9352)
[  283.598318][ T9363] RAX: 40d2bfe6b9b0d000 RBX: 0000000000000000 RCX: ffff88802777d940
[  283.617934][ T4177] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4177)
[  283.634713][ T9363] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
executing program
[  283.663291][ T9363] RBP: ffffc9000f9b7a68 R08: ffffffff8166aa8c R09: ffffed10171c4f24
[  283.692299][ T9363] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072214f20
[  283.734798][ T9363] R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff88807910c001
[  283.763544][ T9363] FS:  00007fcce87bc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  283.796031][ T9363] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  283.802769][ T9363] CR2: 00007fcce07ad000 CR3: 0000000023729000 CR4: 00000000003506f0
[  283.832014][ T9363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  283.862570][ T9363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  283.872764][ T9363] Call Trace:
[  283.887401][ T9362] loop0: detected capacity change from 0 to 32768
[  283.893154][ T9363]  <TASK>
[  283.898159][ T9363]  ? __warn+0x15b/0x300
[  283.902440][ T9363]  ? btrfs_remove_chunk+0x1575/0x1aa0
[  283.928666][ T9363]  ? report_bug+0x1b7/0x2e0
[  283.933322][ T9363]  ? handle_bug+0x3d/0x70
[  283.937578][ T9362] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor245 (9362)
[  283.964541][ T9363]  ? exc_invalid_op+0x16/0x40
executing program
[  283.979808][ T9363]  ? asm_exc_invalid_op+0x16/0x20
[  283.987906][ T4182] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4182)
[  283.994777][ T9363]  ? __wake_up_klogd+0xcc/0x100
[  284.021373][ T9363]  ? btrfs_remove_chunk+0x1575/0x1aa0
[  284.044860][ T9363]  ? read_lock_is_recursive+0x10/0x10
[  284.060806][ T9363]  ? btrfs_get_chunk_map+0x150/0x150
[  284.089138][ T9363]  ? do_raw_spin_unlock+0x137/0x8b0
[  284.094989][ T9363]  ? btrfs_space_info_update_bytes_pinned+0x1bb/0x3c0
[  284.106372][ T9365] loop1: detected capacity change from 0 to 32768
[  284.106455][ T9368] loop4: detected capacity change from 0 to 32768
[  284.124544][ T9363]  btrfs_delete_unused_bgs+0x892/0x940
[  284.130378][ T9363]  btrfs_remount+0xe2a/0x1640
[  284.140592][ T9363]  ? btrfs_statfs+0x1850/0x1850
[  284.151848][ T9365] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor245 (9365)
executing program
[  284.183645][ T9363]  ? _raw_spin_unlock+0x24/0x40
[  284.194544][ T9363]  ? sb_prepare_remount_readonly+0x4c2/0x500
[  284.197435][ T9368] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor245 (9368)
[  284.205028][ T9363]  ? reconfigure_super+0x601/0x870
[  284.247780][ T4177] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4177)
[  284.249495][ T9363]  reconfigure_super+0x43a/0x870
[  284.279997][ T9363]  path_mount+0xceb/0x10a0
executing program
[  284.289985][ T4205] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4205)
[  284.310414][ T9363]  ? user_path_at_empty+0x12b/0x180
[  284.330333][ T9363]  __se_sys_mount+0x2d5/0x3c0
[  284.345614][ T9363]  ? __x64_sys_mount+0xc0/0xc0
[  284.374549][ T9363]  ? syscall_enter_from_user_mode+0x2e/0x240
[  284.391078][ T9363]  ? lockdep_hardirqs_on+0x94/0x130
[  284.401266][ T9363]  ? __x64_sys_mount+0x1c/0xc0
[  284.438307][ T9363]  do_syscall_64+0x3b/0xb0
[  284.453013][ T9363]  ? clear_bhb_loop+0x15/0x70
[  284.461655][ T9370] loop2: detected capacity change from 0 to 32768
[  284.478559][ T9363]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.504656][ T9363] RIP: 0033:0x7fcce8821ac9
[  284.514840][ T9363] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  284.550385][ T9370] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor245 (9370)
[  284.578544][ T9363] RSP: 002b:00007fcce87bc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.588573][ T4182] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4182)
executing program
[  284.614222][ T9363] RAX: ffffffffffffffda RBX: 00007fcce88ae6d8 RCX: 00007fcce8821ac9
[  284.662712][ T9363] RDX: 0000000000000000 RSI: 0000400000000100 RDI: 0000000000000000
[  284.699792][ T9363] RBP: 00007fcce88ae6d0 R08: 0000000000000000 R09: 0000000000000000
[  284.724563][ T9363] R10: 0000000000000021 R11: 0000000000000246 R12: 00007fcce88ae6dc
[  284.753281][ T9363] R13: 000000000000006e R14: 00007ffff21e2410 R15: 00007ffff21e24f8
[  284.783850][ T9363]  </TASK>
[  284.787258][ T9363] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  284.794689][ T9363] CPU: 0 PID: 9363 Comm: syz-executor245 Not tainted 5.15.178-syzkaller #0
[  284.803309][ T9363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[  284.813393][ T9363] Call Trace:
[  284.816696][ T9363]  <TASK>
[  284.819663][ T9363]  dump_stack_lvl+0x1e3/0x2d0
[  284.824363][ T9363]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  284.830016][ T9363]  ? panic+0x860/0x860
[  284.834123][ T9363]  ? btrfs_remove_chunk+0x14a0/0x1aa0
[  284.838254][ T9372] loop0: detected capacity change from 0 to 32768
[  284.839692][ T9363]  ? btrfs_remove_chunk+0x14a0/0x1aa0
[  284.851472][ T9363]  panic+0x318/0x860
[  284.855419][ T9363]  ? __warn+0x16a/0x300
[  284.859654][ T9363]  ? fb_is_primary_device+0xd0/0xd0
[  284.864891][ T9363]  ? btrfs_remove_chunk+0x1575/0x1aa0
[  284.870488][ T9363]  __warn+0x2b2/0x300
[  284.874555][ T9363]  ? btrfs_remove_chunk+0x1575/0x1aa0
[  284.880078][ T9363]  report_bug+0x1b7/0x2e0
[  284.884465][ T9363]  handle_bug+0x3d/0x70
[  284.888815][ T9363]  exc_invalid_op+0x16/0x40
[  284.893350][ T9363]  asm_exc_invalid_op+0x16/0x20
[  284.898244][ T9363] RIP: 0010:btrfs_remove_chunk+0x1575/0x1aa0
[  284.904454][ T9363] Code: ff e8 df a9 0a fe 4c 8b 24 24 0f 1f 44 00 00 e8 d1 a9 0a fe eb 16 e8 ca a9 0a fe 48 c7 c7 00 bc eb 8a 44 89 f6 e8 5b 43 d6 fd <0f> 0b 4c 89 e7 48 c7 c6 60 bf eb 8a ba b5 0c 00 00 e9 90 fa ff ff
[  284.924075][ T9363] RSP: 0018:ffffc9000f9b78c0 EFLAGS: 00010246
[  284.930172][ T9363] RAX: 40d2bfe6b9b0d000 RBX: 0000000000000000 RCX: ffff88802777d940
[  284.938167][ T9363] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[  284.946331][ T9363] RBP: ffffc9000f9b7a68 R08: ffffffff8166aa8c R09: ffffed10171c4f24
[  284.954324][ T9363] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072214f20
[  284.962318][ T9363] R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff88807910c001
[  284.970319][ T9363]  ? __wake_up_klogd+0xcc/0x100
[  284.975236][ T9363]  ? read_lock_is_recursive+0x10/0x10
[  284.980724][ T9363]  ? btrfs_get_chunk_map+0x150/0x150
[  284.986050][ T9363]  ? do_raw_spin_unlock+0x137/0x8b0
[  284.991270][ T9363]  ? btrfs_space_info_update_bytes_pinned+0x1bb/0x3c0
[  284.991387][ T9374] loop1: detected capacity change from 0 to 32768
[  284.998071][ T9363]  btrfs_delete_unused_bgs+0x892/0x940
[  284.998116][ T9363]  btrfs_remount+0xe2a/0x1640
[  284.998161][ T9363]  ? btrfs_statfs+0x1850/0x1850
[  285.019653][ T9363]  ? _raw_spin_unlock+0x24/0x40
[  285.022243][ T9376] loop4: detected capacity change from 0 to 32768
[  285.024530][ T9363]  ? sb_prepare_remount_readonly+0x4c2/0x500
[  285.024564][ T9363]  ? reconfigure_super+0x601/0x870
[  285.024588][ T9363]  reconfigure_super+0x43a/0x870
[  285.024616][ T9363]  path_mount+0xceb/0x10a0
[  285.024643][ T9363]  ? user_path_at_empty+0x12b/0x180
[  285.024671][ T9363]  __se_sys_mount+0x2d5/0x3c0
[  285.024699][ T9363]  ? __x64_sys_mount+0xc0/0xc0
[  285.066468][ T9363]  ? syscall_enter_from_user_mode+0x2e/0x240
[  285.073080][ T9363]  ? lockdep_hardirqs_on+0x94/0x130
[  285.078300][ T9363]  ? __x64_sys_mount+0x1c/0xc0
[  285.083084][ T9363]  do_syscall_64+0x3b/0xb0
[  285.087535][ T9363]  ? clear_bhb_loop+0x15/0x70
[  285.092262][ T9363]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.098176][ T9363] RIP: 0033:0x7fcce8821ac9
[  285.102619][ T9363] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  285.122246][ T9363] RSP: 002b:00007fcce87bc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.130698][ T9363] RAX: ffffffffffffffda RBX: 00007fcce88ae6d8 RCX: 00007fcce8821ac9
[  285.138690][ T9363] RDX: 0000000000000000 RSI: 0000400000000100 RDI: 0000000000000000
[  285.146703][ T9363] RBP: 00007fcce88ae6d0 R08: 0000000000000000 R09: 0000000000000000
[  285.154719][ T9363] R10: 0000000000000021 R11: 0000000000000246 R12: 00007fcce88ae6dc
[  285.162711][ T9363] R13: 000000000000006e R14: 00007ffff21e2410 R15: 00007ffff21e24f8
[  285.170722][ T9363]  </TASK>
[  285.173997][ T9363] Kernel Offset: disabled
[  285.178542][ T9363] Rebooting in 86400 seconds..